now they have also found it in a handful of patients in united states, a cause? >> we don't know why this is occurring but it is very interesting because it is scene predominantly, was exclusively in people of asian origin. >> he believes that genetics and environment play strong world but that this new adult acquired immune to this and see does not spread person to person. >> it would be ridiculous for someone to think that asians have it, therefore we need to stay reformations. it is not a communicable disease at all. so no one is going to get it from someone else. >> the team just published a report in the new england journal of medicine, the hope is that they're finding will raise awareness within the medical community. if patients are properly diagnosed and i can be treated, their lives saved. >> i was really glad to help her. >> dr. baxter's patient was treated with a drug it typically used for arthritis, today she is alive and doing well. >> it shows that we have so much to learn, there is really a lot about the immune system and infections that we do not